Home / 11,352.09-17,031.24-8,085.99

Finding the Fourth Proportional to 11,352.09, 17,031.24 and 8,085.99

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Solution

The fourth proportional to 11,352.09, 17,031.24 and 8,085.99 is: 12,131.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,352.09 : 17,031.24 = 8,085.99 : x
  2. Step 2: Convert to fraction form
    11,352.09/17,031.24 = 8,085.99/x
  3. Step 3: Cross multiply
    11,352.09x = 17,031.24 × 8,085.99
  4. Step 4: Simplify right side
    11,352.09x = 137,714,436.33
  5. Step 5: Solve for x
    x = 137,714,436.33/11,352.09
  6. Step 6: Final answer
    x = 12,131.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.